Welcome to MTK Engineer App your ultimate utility tool designed to provide quick access to the hidden MTK Engineer Mode and advanced network settings. Take full control of your connection by locking your device to 4G LTE or 5G NR networks with just a few taps!

🚀 Key Features:
• Direct Access: Instantly open hidden MTK Service Mode and Engineer Mode without typing secret USSD codes.
• LTE & 5G Switcher: Force your device to stay on a specific network mode. Includes compatibility for LTE Switcher 1 LTE Switcher 2 and Android One 3.0 (Android 11+).
• Network Lock (4G/5G Only): Easily navigate to ""Set Preferred Network Type"" to lock your signal to LTE-Only or 5G-Only preventing unwanted drops to 3G/HSPA during gaming or browsing.
• In-App Guide: Clear step-by-step instructions accessible from the top-right menu to help you navigate hidden settings safely.

💎 Go PRO (Premium Version):
Upgrade to the Pro Version via In-App Purchase for a seamless Ad-Free experience. The Pro version unlocks exclusive ""Hidden Activity"" shortcuts offering alternative entry methods for devices with restricted vendor menus.

⚠️ Important Compatibility Notes:
• Hardware & ROM Dependent: This app relies on your device's MediaTek chipset and system ROM restrictions. If your manufacturer has disabled hidden engineer menus the app will display a limitation notice. Please understand this is a hardware/system restriction not an app bug.
• Official Security: To protect against unauthorized modifications this app functions securely when installed directly from the Google Play Store.

Optimize your network speed and connection stability today!